For the first time in Iran, Pars Pigment and Catalyst Co. (PP&C) is proud to load TGT (Tail Gas Treatment) catalyst under the brand name PARALCAT® PSQ8 in Esfahan Oil Petro-Refining Co. These units are environmentally crusial in sulfur recovery units (SRU) located in Refineries and Petrochemical complexes Sulfur compounds coming out of SRU, which pollute the environment, are converted into H2S in TGT units and returned to sulfur recovery units.